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| RESEARCH ON VERTICAL INTERACTIONS BETWEEN HIGH-SPEED TRAIN AND BALLASTLESS TRACK ON BRIDGE |
| CAI Cheng-biao，ZHAI Wan-ming，WANG Qi-chang |
| Train& T rack Research Institute，Southwest Jiao to ng University |
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Abstract Based on the operating conditions of Qinhuangdao-Shenyang Special Railway Line for Passenger Transport，two kinds of dynamical model including high speed train， ballastless tracks and bridge are established，With that，the dynamical performances of locomotive，vehicles，ballastless track and railway bridge are studied when a high-speed train at a speed of 200 km/h，250 km/h，300 km /h respectively is passing through a ballastless track laid on a bridge.
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Received: 01 March 2000
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2000, Vol. 17 
